Hydrocracking device

Abstract

The invention relates to the technical field of petrochemical engineering, and discloses a hydrocracking device. The hydrocracking device comprises a reaction unit, a separation unit arranged at the downstream of the reaction unit, a desulfurization unit arranged at the downstream of the separation unit, a first heat source inlet, a first heat source outlet, a first cold source inlet and a first cold source outlet, wherein the first heat source inlet and the first heat source outlet are respectively provided for a heat source to enter and exit, the first cold source inlet and the first cold source outlet are respectively provided for a first cold source to enter and exit, the reaction unit is set to enable raw oil and hydrogen to be subjected to a hydrocracking reaction to obtain a hydrocracking product; the separation unit is set to be capable of receiving the hydrocracking product and carrying out gas-liquid separation on the hydrocracking product; the desulfurization unit is arranged to be capable of receiving the product oil discharged by the separation unit and carrying out desulfurization treatment on the product oil; and the first heat source inlet is communicated with the reaction unit, the first heat source outlet is communicated with the separation unit, and the first cold source inlet is communicated with the desulfurization unit so as to receive the desulfurization product oil. According to the hydrocracking device, the energy consumption of the hydrocracking process is relatively low.

Description

technical field [0001] The invention relates to the field of petrochemical technology, in particular to a hydrocracking unit. Background technique [0002] Hydrocracking is an effective way to lighten heavy oil and an important means of producing clean fuels. Hydrocracking is one of the petroleum refining processes. It is a process in which heavy oil undergoes a cracking reaction and is converted into gas, gasoline, jet fuel, diesel, etc. under the conditions of heating, high hydrogen pressure and the presence of a catalyst. [0003] A hydrocracking unit usually includes a reaction section, a separation section, an absorption stabilization section, and a desulfurization section. Among them, the pressure and temperature of the reaction part are high. In order to reduce safety risks and reduce investment, the heat exchange process of the reaction system is relatively fixed in the conventional design. In the whole device, the heat source is the reaction effluent, hot high-sep...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem of high energy consumption in the hydrocracking process existing in the prior art, and to provide a hydrocracking unit, which makes the energy consumption of the hydrocracking process lower

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